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It's also available commercially in the form of laser turntables: https://en.wikipedia.org/wiki/Laser_turntable https://en.wikipedia.org/wiki/Laser_turntable an
by exhilaration 11y ago
It's also available commercially in the form of laser turntables: https://en.wikipedia.org/wiki/Laser_turntable https://en.wikipedia.org/wiki/Laser_turntable and http://www.laserturntable.com http://www.laserturntable.com
- mturmon 11y agoAnd don't miss the part about the IRENE system, at the bottom of your wikipedia page: http://irene.lbl.gov http://irene.lbl.gov It uses microphotography of the disk surface, somewhat similar to that in the OP. They have recordings as early as 1860!